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| Number | Title | Issue Date |
| 7982654 | Smart signal jammer A smart signal jammer is disclosed that receives a description of an unwanted signal or signals to be jammed, and transmits one or more jamming signals in one or more temporal transmission patterns of pulses that jam the unwanted signal or signals. A smart jammer ac... | 07/19/2011 |
| 7982655 | Aircraft decoy arrangement Aircraft decoy arrangement and method for generating a decoy signal from an aircraft having an isolated decoy. An aircraft receiver detects a threat signal from a threat source targeting the aircraft. An aircraft signal processor produces a decoy relay signal based ... | 07/19/2011 |
| 7965221 | Selective disruptor for voice modulated communications A method and system for selectively disrupting voice modulated radio communications circuits wherein the original communication is recorded, delayed for a selected period then synchronized with a transmitted signal and reinjected into the transmitted signal thereby ... | 06/21/2011 |
| 7425916 | Airborne distributed pulse doppler radar missile warning system A digital missile warning system comprising a distributed pulse doppler radar having a plurality of antennas, each being coupled to a transmit/receive (T/R) module located adjacent to the antenna, and parallel signal processing channels including an A/D converter, F... | 09/16/2008 |
| 7391355 | Single platform geolocation method and apparatus A geolocation system and method uses a single platform for determining a Doppler measurement set of a targeted aircraft or signal of interest. The electronic warfare aircraft and the ejected aircraft expendables technology device determine the Doppler measurement se... | 06/24/2008 |
| 7362261 | Linear frequency-modulated pulse radar A linear frequency-modulated pulse radar system is provided in which the echo signal is mixed with a de-ramp signal, in order to reduce the bandwidth. The transmission signal of the pulse radar and the de-ramp signal are generated with the same reference oscillator,... | 04/22/2008 |
| 7352929 | Rotary joint for data and power transfer A rotary joint is disclosed. The rotary joint comprise a power transfer interface for transferring power between a first portion having a first magnetic core and a second portion having a second magnetic core and rotatable relative to the first portion. The rotary j... | 04/01/2008 |
| 7339515 | Optimized utilization of electronic counter measures The invention relates to a distributed electronic counter measures solution, wherein jamming signals (JA; JB) may be emitted towards threats (X1, X2) from counter measures stations in multiple vehicles (A, B), which are physically... | 03/04/2008 |
| 7304607 | Microwave self-phasing antenna arrays for secure data transmission and satellite network crosslinks A high-directivity transponder system uses a dual system of a retrodirective array transmitting a data signal peak toward an interrogator source, and a self-null-steering array transmitting a null toward the interrogator source and a jamming signal elsewhere, result... | 12/04/2007 |
| 7251223 | Low-height, low-cost, high-gain antenna and system for mobile platforms A communication system and methodology for providing a signal of interest to at least one movable platform, for possible use by passengers associated with the movable platform, from an information source, where the movable platform is not within a signal coverage ar... | 07/31/2007 |
| 7248203 | System and method for detecting and jamming emitter signals A system and method is provided for detecting emitter signals and for determining a scan strategy for a receiver system that receives such emitter signals. In one embodiment, the scan strategy may be computed to operate in a manner cognizant of on-board active jamme... | 07/24/2007 |
| 7242346 | Pulse descriptor word generator A portable apparatus and a method for inserting digitized previously recorded or fabricated radio frequency (RF) pulse descriptor word (PDW) data files into an electronic surveillance (ES) system to realistically simulate a complex RF environment. The apparatus incl... | 07/10/2007 |
| 7221309 | FM-CW radar system In an FM-CW radar system, a frequency modulating said modulating wave output from said modulating signal generator has a frequency variation skew with respect to a time axis (modulation skew), and the radar system includes a means for varying the modulation skew by ... | 05/22/2007 |
| 7215276 | Radar detector A method for detecting radar is provided by the present invention. The invention begins by sweeping a first local oscillator (LO). Once a band has been identified as containing a radar signal, the detector interrupts its normal operation and rechecks the frequency i... | 05/08/2007 |
| 7213496 | Illuminated aircraft countermeasures A countermeasure device for negating a guidance seeking system is provided. The countermeasure device includes a membrane defining an internal chamber, a gas disposed in the chamber, and an illuminating device. The illuminating device includes a light source produci... | 05/08/2007 |
| 7212154 | Apparatus for producing an amplified radio frequency pulse Apparatus for producing an amplified Radio Frequency pulse includes a controller for monitoring the output amplified pulse and determining therefrom a correction for a deviation in the characteristics. The correction is applied by a phase shifter or amplitude contro... | 05/01/2007 |
| 7212148 | Apparatus for jamming infrared attack unit using a modulated radio frequency carrier A countermeasure system for jamming an attack unit is provided. The attack unit receives an infrared carrier signal for detection of a target under attack and is vulnerable to countermeasures from another infrared carrier signal modulated by a predetermined modulati... | 05/01/2007 |
| 7180456 | Antennas supporting high density of wireless users in specific directions A low cost antenna in a base station suitable for deployment where high density of wireless users are present in specific directions (e.g., cross roads in urban areas). A lens is used associated with antenna elements to collimate the beam for a longer distance in th... | 02/20/2007 |
| 7165009 | Apparatus, method and articles of manufacture for velocity and bearing determination of an object A sensor front end is disclosed that is able to discriminate objects based on their range from the sensor and to derive bearing information therefrom. The sensor system includes a signal source for transmitting at least a first and a second sensor signal toward the ... | 01/16/2007 |
| 7158072 | Ethernet connection of airborne radar over fiber optic cable A weather radar signal path for an aircraft. The signal path has an antenna, a digital down-converter, a first transceiver, fiber optic cabling, a second transceiver and a processing unit. The antenna is adapted to, in a first mode, receive reflected radar signals f... | 01/02/2007 |
| 7154431 | Signal synthesizer and method therefor A digital synthesizer includes a digital radio frequency memory (DRFM) for storing phase values and corresponding digital signals. The digital synthesizer includes a digital processing circuit receiving input from the DRFM, the circuit including tapped delay lines a... | 12/26/2006 |
| 7142148 | Towed decoy and method of improving the same A towed decoy arrangement for a craft with a decoy towed by the craft. Threatening signals are received by the craft and a noise signal is generated which is converted up to a frequency which is rapidly attenuated in air and sent to the towed decoy. In the decoy, th... | 11/28/2006 |
| 7138936 | Method and apparatus for protecting personnel from RF-triggered explosive devices (RTED) using ultra-wideband (UWB) transmission The test results found that the EMI impact depended on the UWB power that fell within the receiver passband. Specifically, EMI occurred when the average power in the receiver passband was approximately equal to the desired signal level of the receiver. One waveform,... | 11/21/2006 |
| 7129839 | Device for monitoring an area The present invention relates to a monitoring device (1) with a transmitter unit (2) and a receiver unit (3) for monitoring an area. Slotted cables serve as antennas. According to the invention, a first slotted cable is arranged as a transmittin... | 10/31/2006 |
| 7106201 | Communication devices, remote intelligent communication devices, electronic communication devices, methods of forming remote intelligent communication devices and methods of forming a radio frequency identification device The present invention provides electronic communication devices, methods of forming electrical communication devices, and communications methods. An electronic communication device adapted to receive electronic signals includes: a housing comprising a substrate and ... | 09/12/2006 |
| 7102459 | Power combiner A power combiner for the combining of symmetric and asymmetric traveling wave energy comprises a feed waveguide having an input port and a launching port, a reflector for reflecting launched wave energy, and a final waveguide for the collection and transport of laun... | 09/05/2006 |
| 7081846 | ECM techniques to counter pulse compression radar A system and method for generating a counter-measure signal in response to an incoming radar signal from a remote linear frequency modulated (LFM) pulse compression radar system. One method comprises the steps of receiving an incoming radar signal having a time peri... | 07/25/2006 |
| 7068209 | System and method for detecting and jamming emitter signals A system and method is provided for detecting emitter signals and for determining a scan strategy for a receiver system that receives such emitter signals. In one embodiment, the scan strategy may be computed to operate in a manner cognizant of on-board active jamme... | 06/27/2006 |
| 7053812 | Recoverable pod for self-protection of aircraft and method of protecting an aircraft using a recoverable pod In a countermeasure system for an aircraft, a countermeasure module includes a chamber. Countermeasure equipment is housed in the chamber of the countermeasure module. An attachment mechanism allows for releasable attachment of the countermeasure module to an aircra... | 05/30/2006 |
| 7024188 | Wireless communications system with detection of foreign radiation sources The invention discloses a method for use in a wireless communications system with a plurality of broadcasting nodes, comprising the step of enabling one node in the system to function as a central node in said system and letting said node enable measurements on at l... | 04/04/2006 |
| 7019603 | Waveguide type ortho mode transducer An object of the present invention is to obtain a waveguide type polarizer, which enables miniaturization thereof, shortening of an axis, and broad band promotion, and which has high performance. In order to attain the object, the waveguide type polarizer includes: ... | 03/28/2006 |
| 7006039 | Microwave self-phasing antenna arrays for secure data transmission & satellite network crosslinks A high-directivity transponder system uses a dual system of a retrodirective array transmitting a data signal peak toward an interrogator source, and a self-null-steering array transmitting a null toward the interrogator source and a jamming signal elsewhere, result... | 02/28/2006 |
| 6933882 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/23/2005 |
| 6933877 | Multiple-antenna jamming system The Multiple-Antenna Jamming System (MAJS) is useful for missile-borne jamming of active protection system radars that operate in close proximity to the frequency band of the missile's radio frequency seeker. The MAJS utilizes multiple receiving and transmitting ant... | 08/23/2005 |
| 6919776 | Traveling wave device for combining or splitting symmetric and asymmetric waves A traveling wave device for the combining or splitting of symmetric and asymmetric traveling wave energy includes a feed waveguide for traveling wave energy, the feed waveguide having an input port and a launching port, a reflector for coupling wave energy between t... | 07/19/2005 |
| 6911934 | Apparatus, method and articles of manufacture for sequential lobing high resolution radar A sensor front end that is able to discriminate objects based on their range from the sensor and to derive bearing information therefrom. The sensor system may include a signal source for generating source signal; an antenna system for transmitting the source signal... | 06/28/2005 |
| 6885333 | Cross-eye technique implementation An electronic warfare (EW) cross-eye system comprises two antennas separated a distance, d, a part, where d is much greater than the wavelength, λ, of a tracking signal emitted by a fire control radar (i.e., d>>λ). The EW cross-eye system further comprises a recei... | 04/26/2005 |
| 6697008 | Distributed electronic warfare system A distributed electronic warfare system includes a central control site for controlling and receiving data from the system and utilizes a satellite communications system for communications within the system. Electronic warfare pods are attached to variety... | 02/24/2004 |
| 6492931 | Electronic countermeasures system and method An electronic countermeasures system wherein part of the system is contained within the aircraft to be protected and part in an expendable decoy. Signals from enemy radars are received on-board the aircraft to be protected, processed and transmitted to th... | 12/10/2002 |
| 6476755 | Communications jamming receiver An improved communications jamming receiver is disclosed wherein time division multiplexing techniques are utilized that permit monitoring enemy radio frequency transmissions while in essence concurrently transmitting signals to jam selected enemy transmi... | 11/05/2002 |
